<template>
  <el-form ref="deptForm" label-width="120px" :rules="rules" :model="form">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option v-for="item in employees" :key="item.id" :value="item.username" :label="item.username" />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="hCancel">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getEmployeesList } from '@/api/employees'
import { addDepartments, getDepartDetail, editDepartDetail } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 验证部门编码是否重复
    const validCode = (rule, value, callback) => {
      // console.log(this.originList.map(item => item.code))
      let existCodeList = this.originList.map(item => item.code)
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      console.log(existCodeList)
      existCodeList.includes(value) ? callback(new Error('部门编码已经存在')) : callback()
    }
    // 验证部门名称是否重复
    const validName = (rule, value, callback) => {
      // 添加
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      console.log(existNameList)
      // 编辑
      if (this.isEdit) {
        const pid = this.originList.find(item => item.id === this.id).pid
        existNameList = this.originList.filter(item => item.pid === pid).filter(item => item.id !== this.id).map(item => item.name)
      }
      existNameList.includes(value) ? callback(new Error('此部门在同级已存在')) : callback()
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manger: '', // 部门负责人
        introduce: '' // 部门介绍
      },
      employees: [],
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门名称要求1-50个字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门编码要求1-50个字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 300, message: '部门介绍要求1-300个字符', trigger: 'blur' }
        ]
      }
    }
  },
  // watch: {
  //   id: function(newValue, oldValue) {
  //     console.log(this)
  //     console.log('新值', newValue, '旧值', oldValue)
  //     this.loadDepartDetail()
  //   }
  // },
  created() {
    this.getEmployees()
    if (this.isEdit) {
      this.loadDepartDetail()
    }
  },
  methods: {
    // 解决编辑之后添加会有数据
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    // 编辑部门详情
    async doEdit() {
      try {
        const res = await editDepartDetail({ id: this.id, ...this.form })
        console.log(res)
        this.$emit('success')
      } catch (err) {
        console.log(err)
      }
    },
    // 根据id获取部门详情
    async loadDepartDetail() {
      try {
        const res = await getDepartDetail(this.id)
        console.log(res)
        this.form = res.data
      } catch (err) {
        console.log(err)
      }
    },
    // 添加部门
    async doAdd() {
      try {
        const res = await addDepartments({ pid: this.id, ...this.form })
        console.log(res)
        this.$emit('success')
      } catch (err) {
        console.log(err)
      }
    },
    // 获取部门员工
    async getEmployees() {
      try {
        const res = await getEmployeesList()
        console.log(res)
        this.employees = res.data
      } catch (err) {
        console.log(err)
      }
    },
    hSubmit() {
      // 确定
      // 兜底校验
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    hCancel() {
      // 取消
      this.$emit('close')
    }
  }
}
</script>

<style>

</style>
